package org.csu.demo.service;


import org.csu.demo.common.CommonResponse;
import org.csu.demo.domain.Cart;
import org.csu.demo.domain.CartVo;

import java.util.List;

public interface CartService {
    CommonResponse<CartVo> findAllCarts(String username);
    CommonResponse<CartVo> addCart(String itemId,String username,int quantity);
    boolean emptyCart(String username);

}
